package com.hzit.manager.config;

import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.RedisSerializer;

/**
 * 类名：
 * 作者：WF
 * 功能：对springcache进行序列化配置
 */
@Configuration
@EnableCaching
@EnableConfigurationProperties(CacheProperties.class)
public class MyCacheConfig {

	@Bean
	public RedisCacheConfiguration createConfiguration(CacheProperties cacheProperties) {
		CacheProperties.Redis redisProperties = cacheProperties.getRedis();
		//1. 得到默认配置
		RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
		//2. 对redis的key进行序列化
		config = config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(RedisSerializer.string()));
		//3. 对redis的值进行序列化
		config = config.serializeValuesWith(
				RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));
		if (redisProperties.getTimeToLive() != null) {
			config = config.entryTtl(redisProperties.getTimeToLive());
		}
		if (redisProperties.getKeyPrefix() != null) {
			config = config.prefixCacheNameWith(redisProperties.getKeyPrefix());
		}
		if (!redisProperties.isCacheNullValues()) {
			config = config.disableCachingNullValues();
		}
		if (!redisProperties.isUseKeyPrefix()) {
			config = config.disableKeyPrefix();
		}
		return config;
	}
}
